Home / 15,122.24-22,668.96-7,320.32

Finding the Fourth Proportional to 15,122.24, 22,668.96 and 7,320.32

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Solution

The fourth proportional to 15,122.24, 22,668.96 and 7,320.32 is: 10,973.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.24 : 22,668.96 = 7,320.32 : x
  2. Step 2: Convert to fraction form
    15,122.24/22,668.96 = 7,320.32/x
  3. Step 3: Cross multiply
    15,122.24x = 22,668.96 × 7,320.32
  4. Step 4: Simplify right side
    15,122.24x = 165,944,041.27
  5. Step 5: Solve for x
    x = 165,944,041.27/15,122.24
  6. Step 6: Final answer
    x = 10,973.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.